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Bidirectional machine learning–assisted sensitivity-based stochastic searching approach for groundwater DNAPL source characterization
In this study, we designed a machine learning–based parallel global searching method using the Bayesian inversion framework for efficient...
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Permanganate oxidation of polycyclic aromatic compounds (PAHs and polar PACs): column experiments with DNAPL at residual saturation
Permanganate is an oxidant usually applied for in situ soil remediation due to its persistence underground. It has already shown great efficiency for...
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Fate and contaminant transport model-driven probabilistic human health risk assessment of DNAPL-contaminated site
In this study, fate and contaminant transport model-driven human health risk indexes were calculated due to the presence of dense non-aqueous phase...
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Key factors controlling microbial distribution on a DNAPL source area
Chlorinated solvents are among the common groundwater contaminants that show high complexity in their distribution in the subsoil. Microorganisms...
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Recognizing groundwater DNAPL contaminant source and aquifer parameters using parallel heuristic search strategy based on Bayesian approach
In this paper, a parallel heuristic search strategy based on Bayesian approach was first proposed for recognizing groundwater DNAPL contaminant...
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Study of creosote transport properties in sandy and clay soils
Creosote is an organic pollutant formed by a complex mixture of highly toxic and carcinogenic compounds and classified as a dense non-aqueous phase...
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Quantitative Assessment of Monitoring Natural Attenuation on Carbon Tetrachloride Reduction at a Groundwater-Contaminated Site in Eastern China
Monitored natural attenuation (MNA) technology is a groundwater remediation method that relies on risk management and long-term monitoring. However,...
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The effect of sand fractional wettability on SDBS-enhanced PCE immiscible mobilization in porous media
Fractional wettability is common in the dense non-aqueous phase liquids (DNAPL) contaminated sites. However, it is still unclear how fractional...
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Groundwater contamination source-sink analysis based on random statistical method for a practical case
The groundwater dense nonaqueous phase liquid (DNAPL) contamination source-sink analysis (GDCSA) was first proposed in this study. GDCSA includes two...
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The Influence of Biodegradation on the Distribution of Stable Carbon Isotope Characteristic Values in Heavy Non Aqueous Liquids
To investigate the effects of soil variability and the presence of non aqueous liquids (NAPL) on the distribution of stable carbon isotope...
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Experimental Assessment and Modeling of Enhanced Solubilization of Pool-dominated Tetrachloroethene Source Zone in Heterogeneous Porous Media
The purpose of this study is to investigate the elution behavior of pool-dominated dense nonaqueous phase liquid (DNAPL) source zone mass during...
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Remediation of trapped DNAPL enhanced by SDS surfactant and silica nanoparticles in heterogeneous porous media: experimental data and empirical models
The remediation of nonaqueous phase liquids (NAPLs) enhanced by surfactant and nanoparticles (NP) has been investigated in numerous studies. However,...
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Optimizing Process Parameters on the Remediation Efforts for the Mass Removal of DNAPL Entrapped in a Porous Media
In the present study, the Taguchi design (TD) and the Box-Behnken design (BBD) were used to determine the effect of surfactant concentration,...
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FerrateVI oxidation of polycyclic aromatic compounds (PAHs and polar PACs) on DNAPL-spiked sand: degradation efficiency and oxygenated by-product formation compared to conventional oxidants
In situ chemical oxidations are known to remediate PAH contaminations in groundwater and soils. In this study, batch-scale oxidations aim to compare...
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Parallel heuristic search strategy based on a Bayesian approach for simultaneous recognition of contaminant sources and aquifer parameters at DNAPL-contaminated sites
In this study, we develop a parallel heuristic search strategy based on a Bayesian approach for simultaneously recognizing groundwater contaminant...
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Combination of steam-enhanced extraction and electrical resistance heating for efficient remediation of perchloroethylene-contaminated soil: Coupling merits and energy consumption
In situ thermal desorption (ISTD) technology effectively remediates soil contaminated by dense nonaqueous phase liquids (DNAPLs). However, more...
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Uncertainty Analyses in Environmental Sciences and Hydrogeology Methods and Applications to Subsurface Contamination
This book highlights several methods and quantitative implementations of both probabilistic and fuzzy-based approaches to uncertainty quantification...
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Characterization and Partitioning Behavior of Creosote in Different Matrices: Soil, Water, and Air
Creosote is a multicomponent oil classified as a dense non-aqueous phase liquid (DNAPL) produced from coal tar distillation. The concept of phase...
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Solubility and reactivity of surfactant-enhanced alkaline hydrolysis of organophosphorus pesticide DNAPL
The study presented in this paper evaluated the effectiveness of surfactants in enhancing mass removal of organophosphorus pesticides (OPPs) from...
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Dense non-aqueous phase liquid chlorinated contaminant detected far from the source release area in an aquifer
Here we confirm migration of chlorinated solvents tetrachloroethene and trichloroethene, and co-disposed elemental mercury as dense non-aqueous phase...
